3 years ago

1. Which system has a higher random, average kinetic energy of its atoms, a glass of iced tea or a cup of hot tea?

1 answer:

5 0

The average kinetic energy of the particles is higher in the hot tea, so it also has greater thermal energy then the cold tea.

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What is the frequency of a wave if the speed is 24 m/s and the wave is 2 meters

vekshin1

Velocity=frequency(wavelength)
24m/s=f(2m)
24/2=f(2)/2
12Hz=f

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3 years ago

After turning off the television, you approach it. As you get close, but not touching it, the hairs on your arm start to stand u

Amanda [17]

The answer is D) induction.

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Una onda tiene una frecuencia de 350 Hz. ¿Cuál es su período?

Alika [10]

Answer:0.00285714285 seconds

Explanation:

period=1 ➗ frequency

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3 years ago

A solenoid of radius 2.0 mm contains 100 turns of wire uniformly distributed over a length of 5.0 cm. It is located in air and c

tankabanditka [31]

Answer:

The magnetic field strength inside the solenoid is $5.026\times10^{-3}\ T$ .

Explanation:

Given that,

Radius = 2.0 mm

Length = 5.0 cm

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Number of turns = 100

(a). We need to calculate the magnetic field strength inside the solenoid

Using formula of the magnetic field strength

Using Ampere's Law

$B=\dfrac{\mu_{0}NI}{l}$

Where, N = Number of turns

I = current

l = length

Put the value into the formula

$B=\dfrac{4\pi\times10^{-7}\times100\times2.0}{5.0\times10^{-2}}$

$B=0.005026=5.026\times10^{-3}\ T$

(b). We draw the diagram

Hence, The magnetic field strength inside the solenoid is $5.026\times10^{-3}\ T$ .

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3 years ago

How are convergent boundaries different from divergent boundaries

fenix001 [56]

Convergent boundaries: the tectonic plates move toward each other

Divergent boundaries: the tectonic plates move away from each other

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3 years ago